v3.25.4
Consolidated Statements of Changes in Members' Capital - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of Partners' Capital [Abstract]      
Members' capital at beginning of period $ 1,098,329 $ 1,183,278 $ 1,240,510
Increase in members' capital from operations:      
Net investment income 108,386 141,267 161,909
Net realized gain (loss) (3,838) (112,791) (28,517)
Net change in unrealized appreciation (depreciation) (25,181) 42,769 (27,118)
(Provision) benefit for taxes on realized gain/loss on investments (56) (1,818) (1,119)
(Provision) benefit for unrealized appreciation/depreciation on investments 0 331 54
Net increase in members' capital from operations 79,311 69,758 105,209
Distributions to unitholders from:      
Distributable earnings (143,212) (147,398) (177,199)
Capital gains   (7,309)  
Return of capital (83,736)    
Total distributions to unitholders (226,948) (154,707) (177,199)
Capital transactions:      
Issuance of units     14,758
Net increase in members' capital from capital transactions     14,758
Total increase in members' capital (147,637) (84,949) (57,232)
Members' capital at end of period $ 950,692 $ 1,098,329 $ 1,183,278
Distributions per unit $ 16.38 $ 11.16 $ 12.83